Finding the Fourth Proportional to 13,283.72, 19,934.76 and 5,492.60

Step by Step Solution

1. Step 1: Write the proportion equation
   13,283.72 : 19,934.76 = 5,492.60 : x
2. Step 2: Convert to fraction form
   13,283.72/19,934.76 = 5,492.60/x
3. Step 3: Cross multiply
   13,283.72x = 19,934.76 × 5,492.60
4. Step 4: Simplify right side
   13,283.72x = 109,493,662.78
5. Step 5: Solve for x
   x = 109,493,662.78/13,283.72
6. Step 6: Final answer
   x = 8,242.70